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ForumsExercise & Body CompositionHIIT vs LISS cardio on GLP-1 — looking for input

HIIT vs LISS cardio on GLP-1 — looking for input

mark_tokyo Sat, Aug 16, 2025 at 11:20 AM 39 replies 1,657 viewsPage 1 of 8
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mark_tokyo
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Tokyo, JP
Aug 16, 2025 at 11:20 AM#1

Training four times a week throughout and the scale has barely acknowledged it, which is demoralising in a way I did not expect.

What I actually want to know is what training is actually for during a large deficit, because framing it as calorie burn sets people up to quit when the arithmetic disappoints them.

Happy to be told the question itself is wrong.

44 14pete_manc_UK, anna.melb_AU, mark_tokyo and 41 others
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VendorMark
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Aug 16, 2025 at 11:25 AM#2
mark_tokyo said:
Training four times a week throughout and the scale has barely acknowledged it, which is demoralising in a way I did not expect.

Exercise-induced nausea amplification with training: I learned the hard way that intense exercise within 12 hours of injection can make nausea much worse. The combination of delayed gastric emptying + exercise-induced blood flow redistribution is rough on the GI system.

My workaround: inject Friday evening, do low-intensity activity Saturday, and save my intense workouts for Tuesday-Thursday when the GI effects have subsided. Timing your training around your injection schedule is a real optimization strategy.

43 13KristenIndy, MarkLI_maint, Dr.PeteFamMed and 40 others
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InsuranceTom
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Connecticut
Aug 16, 2025 at 11:30 AM#3
VendorMark said:
Exercise-induced nausea amplification with training: I learned the hard way that intense exercise within 12 hours of injection can make nausea much…

Exercise transformation with training: went from barely able to walk a block to completing a 10K last weekend.

My fitness journey alongside GLP-1 therapy:

  • Month 1-2: Walking 15 min/day
  • Month 3-4: Walking 30-45 min, started bodyweight exercises
  • Month 5-6: Joined a gym, started resistance training
  • Month 7+: Running, lifting heavy, swimming for fun

The weight loss made movement possible. The movement made more weight loss possible. Virtuous cycle in action.

Last edited: Aug 16, 2025 at 4:30 PM
42 12Dr.ReproEndo, lucas_SP_BR, lisa_labSD and 39 others
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pete_nash
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Nashville, TN
Aug 16, 2025 at 11:35 AM#4
mark_tokyo said:
Training four times a week throughout and the scale has barely acknowledged it, which is demoralising in a way I did not expect.

Second this. Posting only so the count is not one.

Last edited: Aug 16, 2025 at 5:35 PM
41 11SarahChen_PharmD, sarah.morrison, NeuroNate and 38 others
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Dr.EndoIndy
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Indianapolis, IN
Aug 16, 2025 at 12:02 PM#5

From the other side of the consultation, briefly.

Pet owner bonus of training: my dog is also losing weight because we're walking 2-3x more than before. His vet is thrilled. 🐕

We went from a 10-minute shuffle around the block to 45-minute walks through the neighborhood. He's more energetic, I'm more energetic, and we're both healthier.

Get a dog. Or borrow one. Walking a dog is the best low-impact exercise motivation that exists. They never let you skip a walk. 🐾

40 10SandraNC_45, Dr.EndoIndy, tom_AK and 37 others
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